Unlock Excel Workbook without Software TL;DR Key Takeaways : Verify the Excel file is protected by checking for restricted actions or password prompts when attempting to unprotect it.

Key Takeaways : Excel spreadsheets can be protected by Edit Ranges, Sheet Protection, Workbook Protection, File Modify Password, VBA Project Password, and File Open Password.

Remember that, with password protections removed, anyone with access to your Excel file can open, view, and edit it. If you've decided a password isn't necessary anymore, this likely isn't an issue.